<template>
  <div :id="id" :class="className" :style="{ height: height, width: width }" />
</template>

<script setup name="Keyboard">
import echarts from "echarts";
import resize from "./mixins/resize";

// mixins: [resize];
resize()
const props = defineProps({
  className: {
    type: String,
    default: "chart",
  },
  id: {
    type: String,
    default: "chart",
  },
  width: {
    type: String,
    default: "200px",
  },
  height: {
    type: String,
    default: "200px",
  },
});
const state = reactive({
  chart: null,
});
onMounted(() => {
  initChart();
});
beforeUnmount(() => {
  if (!state.chart) {
    return;
  }
  state.chart.dispose();
  state.chart = null;
});
function initChart () {
  state.chart = echarts.init(document.getElementById(props.id));

  const xAxisData = [];
  const data = [];
  const data2 = [];
  for (let i = 0; i < 50; i++) {
    xAxisData.push(i);
    data.push((Math.sin(i / 5) * (i / 5 - 10) + i / 6) * 5);
    data2.push((Math.sin(i / 5) * (i / 5 + 10) + i / 6) * 3);
  }
  state.chart.setOption({
    backgroundColor: "#08263a",
    grid: {
      left: "5%",
      right: "5%",
    },
    xAxis: [
      {
        show: false,
        data: xAxisData,
      },
      {
        show: false,
        data: xAxisData,
      },
    ],
    visualMap: {
      show: false,
      min: 0,
      max: 50,
      dimension: 0,
      inRange: {
        color: [
          "#4a657a",
          "#308e92",
          "#b1cfa5",
          "#f5d69f",
          "#f5898b",
          "#ef5055",
        ],
      },
    },
    yAxis: {
      axisLine: {
        show: false,
      },
      axisLabel: {
        textStyle: {
          color: "#4a657a",
        },
      },
      splitLine: {
        show: true,
        lineStyle: {
          color: "#08263f",
        },
      },
      axisTick: {
        show: false,
      },
    },
    series: [
      {
        name: "back",
        type: "bar",
        data: data2,
        z: 1,
        itemStyle: {
          normal: {
            opacity: 0.4,
            barBorderRadius: 5,
            shadowBlur: 3,
            shadowColor: "#111",
          },
        },
      },
      {
        name: "Simulate Shadow",
        type: "line",
        data,
        z: 2,
        showSymbol: false,
        animationDelay: 0,
        animationEasing: "linear",
        animationDuration: 1200,
        lineStyle: {
          normal: {
            color: "transparent",
          },
        },
        areaStyle: {
          normal: {
            color: "#08263a",
            shadowBlur: 50,
            shadowColor: "#000",
          },
        },
      },
      {
        name: "front",
        type: "bar",
        data,
        xAxisIndex: 1,
        z: 3,
        itemStyle: {
          normal: {
            barBorderRadius: 5,
          },
        },
      },
    ],
    animationEasing: "elasticOut",
    animationEasingUpdate: "elasticOut",
    animationDelay(idx) {
      return idx * 20;
    },
    animationDelayUpdate(idx) {
      return idx * 20;
    },
  });
};
</script>
